Queries on Air Jamaica's Heathrow slots

As a Jamaican living in London, it is with great interest that I have followed the closing of the Air Jamaica-London route. I have noted the pros and cons of this particular business deal; however, the benefits to Jamaica and Air Jamaica are still not clear. One point in particular is the selling of the Heathrow take-off and landing slots to Virgin Atlantic.http://www.jamaica-gleaner.com/gleaner/20071023/letters/letters4.html